September Weather in St-Jean-Port-Joli

Last updated: March 2, 2024

The weather in St-Jean-Port-Joli, Canada, during September is characterized by an average temperature of 14°C (58°F). Highs can soar to 23°C (74°F), while lows may dip to 6°C (44°F). Typically, the humidity level in St-Jean-Port-Joli throughout September hovers around 81%.

6°C (44°F)

Minimum temperature

14°C (58°F)

Average temperature

23°C (74°F)

Maximum temperature

81%

Humidity

Precipitation and Sunshine hours

In September, St-Jean-Port-Joli averages 85 mm (3.3 inches) of rainfall, typically over the course of 12 rainy days. The month enjoys an average of 12 hours 29 minutes of daylight, with the sun shining for approximately 8 hours 45 minutes each day. Additionally, there is a 39% probability of sunny days during this period.

85 mm (3.3 inches)

Precipitation

12 rainy days

Rainy days

8 hours 45 minutes

Sunshine hours

39%

Chance of sun

UV Index

In September, the UV Index in St-Jean-Port-Joli reaches a maximum of 6, indicating a level of High exposure. The most intense UV radiation typically occurs between 11:00 and 13:00, during which unprotected skin may burn in as little as 25 minutes.

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00
UVI	1	1	3	4	6	6	6	6	4	3	2	1	1
Exposure	Low		Moderate		High				Moderate		Low
Time to burn	45 min		30 min		25 min				30 min		45 min